48 lines
885 B
C
48 lines
885 B
C
/*
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* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Full C support initialization
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*
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*
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* Initialization of full C support: zero the .bss and call z_cstart().
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*
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* Stack is available in this module, but not the global data/bss until their
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* initialization is performed.
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*/
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#include <stddef.h>
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#include <toolchain.h>
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#include <kernel_structs.h>
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#include <kernel_internal.h>
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#include <core_pmp.h>
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/**
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*
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* @brief Prepare to and run C code
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*
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* This routine prepares for the execution of and runs C code.
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*
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* @return N/A
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*/
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void _PrepC(void)
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{
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z_bss_zero();
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#ifdef CONFIG_XIP
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z_data_copy();
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#endif
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#if defined(CONFIG_RISCV_SOC_INTERRUPT_INIT)
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soc_interrupt_init();
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#endif
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#ifdef CONFIG_PMP_STACK_GUARD
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z_riscv_configure_interrupt_stack_guard();
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#endif
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z_cstart();
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CODE_UNREACHABLE;
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}
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